<!--
 * @Author: wangshiyang
 * @Date: 2023-06-19 13:39:59
 * @LastEditors: wangshiyang
 * @LastEditTime: 2023-06-19 14:55:28
 * @Description: 请填写简介
-->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="referrer" content="no-referrer" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src='https://api.mapbox.com/mapbox-gl-js/v2.12.0/mapbox-gl.js'></script>
    <link href='https://api.mapbox.com/mapbox-gl-js/v2.12.0/mapbox-gl.css' rel='stylesheet' />
    <script src='https://unpkg.com/@antv/l7'></script>
    <style>
        * {
            margin: 0;
            padding: 0
        }

        #map {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
        }

        #marker {
            text-align: center;
            background-color: #c882eb92;
            line-height: 50px;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
        }
    </style>
</head>

<body>
    <div id="map">

    </div>
    <script>
        const { PointLayer, Popup, Marker, MarkerLayer, LineLayer } = L7;
        const token = 'pk.eyJ1IjoiY2hlbmdiZW5jaGFvIiwiYSI6ImNsODU3aGRiODA0Y2UzcHBzZmFlcmdqZ2sifQ.8k59W_pB_Riwe6o-MneRlA'
        mapboxgl.accessToken = token;
        const map = new mapboxgl.Map({
            container: 'map', // container id
            style: 'mapbox://styles/mapbox/dark-v10', // stylesheet location
            center: [114.30, 30.50], // starting position [lng, lat]
            zoom: 14, // starting zoom
            pitch: 70
        });

        const scene = new L7.Scene({
            id: 'map',
            map: new L7.Mapbox({
                mapInstance: map,
            }),
        });

        scene.on('loaded', () => {
            const colors = ['#303841', '#ff2e63', '#30e3ca', '#fcbad3', '#aa96da', '#cca8e9', '#ff9a00', '#625772', '#b61aae', '#a7ff83', '#ba52ed']
            fetch(
                './Wuhan_roads.json'
            )
                .then(res => res.json()).then(data => {
                    const layer = new LineLayer()
                        .source(data)
                        .shape('line')
                        .size(2)
                        .color('name', colors)
                        .animate({
                            interval: 1, // 间隔
                            duration: 2, // 持续时间，延时
                            trailLength: 2 // 流线长度

                        }).filter("coordinates", evt => {
                            // console.log(evt)
                            return evt.length > 20
                        })
                    scene.addLayer(layer)
                })

        });

    </script>
</body>

</html>